function imageEX(){
		var s = Math.floor(Math.random()*2)
		if ( s ==  0 ) document.write('<img src="img/top_img.jpg" alt="–rŠÙ" width="740" height="372" border="0">');
		if ( s ==  1 ) document.write('<img src="img/top_img02.jpg" alt="–rŠÙ—¿—�" width="740" height="372" border="0">');
		
	}